Wiktionary
treble hooks
n. (treble hook English)
Usage examples of "treble hooks".
Then, with an almost unnoticeable clicking noise, it slowly pulled the lines in until the treble hooks caught on the surrounding vegetation.
She knew it was the same one, because it was missing the back set of treble hooks.
I nodded, listening politely as Imriel explained how they meant to use smaller fish as bait, showing me how the treble hooks were strung.